UpHeron
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Servers and applications

CVE-2020-12783

Exim through 4.93 has an out-of-bounds read in the SPA authenticator that could result in SPA/NTLM authentication bypass in auths/spa.c and auths/auth-spa.c.

Severity
High 7.5
Published
11 May 2020
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Sources
NVD

Affected software

SoftwareAffected versions
EximServers and applications · cpe:a:exim:exim
  • Every version up to 4.93

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2020-12783
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2020-12783